APA (7th ed.) Citation

WHO Study Group & World Health Organization. (1987). The hypertensive disorders of pregnancy: Report of a WHOStudy Group. World Health Organization.

Chicago Style (17th ed.) Citation

WHO Study Group and World Health Organization. The Hypertensive Disorders of Pregnancy: Report of a WHOStudy Group. Geneva: World Health Organization, 1987.

MLA (9th ed.) Citation

WHO Study Group and World Health Organization. The Hypertensive Disorders of Pregnancy: Report of a WHOStudy Group. World Health Organization, 1987.

Warning: These citations may not always be 100% accurate.